
.container{
    width: 100%;
    height: 100%;
    position: absolute;
    background: url('../img/register.jpg') no-repeat;
    background-size: 100% 100%;
}
.login_form{
    margin: 0 auto;
    width: 30%;
    margin-top: 10%;
    padding: 5rem 0;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.demo-input-suffix{
    width: 80%;
    display: flex;
   flex-direction: row;
   margin-bottom: .625rem;
   align-items: center;
}
.demo-input-suffix .txt{
    width: 30%;
}
.login_btn{
    width: 20%;
    margin-top: 1.25rem;
}